Carried out by DNA poly III, removes mismatched base from the 3' end by exonuclease activity (not 100% efficient)

Termination of replication: who is involved and what happens

replisome reaches the termination site (on DNA) and ends replication. Catenanes form when 2 circular chromosomes do not separate. Topoisomerases temporarily break DNA molecules so strands can separate.

label dis guy

label dis guy

tRNA genes-describe the organization and structure. What structures does it have?

can code for more than a single tRNA molecule or type of tRNA,

spacers separate coding region and are removed after transcription.

Ribozymes: special ribonuclases that remove spacers.

CONTAINS: promoter, leader,

coding spacer, and trailer regions which are removed during maturation

rRNA genes- describe the organization and structure. What structures does it have in it?